Fixing the tollbooth

When the driver of a huge trailer lost control of his rig, he plowed
into
an empty tollbooth and smashed it to pieces. He climbed down from the
wreckage and within a matter of minutes, a truck pulled up and discharged
a crew of workers.

The men picked up each broken piece of the former tollbooth and spread
some kind of creamy substance on it. Then they began fitting the pieces
together. In less than a half hour, they had the entire tollbooth
reconstructed and looking good as new.

"Astonishing!" the truck driver said to the crew chief. "What was the
white stuff you used to get all the pieces together?"